Tags

• Article 3
• Autocommit 1
• Bagging 2
• Bayes 2
• Bioconductor 1
• Book 22
• Boosting 2
• Bootstrap 2
• C++11 20
• CPU 1
• CSRF 1
• Chomsky 1
• Closure 2
• Cluster 1
• Delegate 2
• EM 2
• Entropy 1
• Experience 11
• GAM 1
• Graph 2
• HMM 1
• IE 2
• IO 1
• JSON 2
• JVM 3
• Java-AOP 5
• Java-Collection 1
• Java-Concurrency 6
• Java-DesignPattern 7
• Java-DistributedSystem 2
• Java-Exception 6
• Java-InnerClass 7
• Java-TDD 2
• JavaDoc 1
• LDA 2
• Markov 1
• Math-Algebra 10
• Math-Geometry 1
• Math-Statistics 21
• MathJax 3
• MySQL-client 1
• NLP 1
• PCA 4
• PRC 2
• Paper 5
• Pivot 1
• Proxy 4
• ROC 2
• Rcpp 4
• SNAP 1
• SOA 1
• SVM 6
• Servlet 2
• Spline 1
• Topology 3
• UML 1
• URL 1
• XSS 1
• ajax 1
• apply 1
• const 11
• context-free 1
• convex 1
• copy-constructor 8
• cross-validation 2
• dense-matrix 1
• entropy 3
• escape 3
• generative 1
• ggplot 2
• node2vec 1
• np.unique 1
• numpy 1
• pandas 1
• pdist 1
• pip 1
• pointer 6
• port 1
• regexp 1
• socket 2
• sudo 1
• template 4
• utf8 1
• virtualenv 1
• 动态代理 3

Article

• Service Locator Pattern
• Digest of Short introduction to log4j
• Digest of Mocks Aren't Stubs

Autocommit

• SQL: Autocommit does not guarantee immediate committing

Bagging

• Ensemble Methods in Machine Learning
• ISL: Tree Based Methods

Bayes

• Naive Bayes classifier
• Bayesian Interpretation for Ridge Regression and the Lasso + Exercise 7

Bioconductor

• Python: Query reference sequences using rpy2 and BSgenome

Book

• Digest of R for Data Science
• R: Graphics Tricks
• Digest of Essential SQLAlchemy
• Digest of Information Theory, Inference, and Learning Algorithms
• Digest of Fluent Python
• Digest of Working Effectively with Legacy Code
• Linking, Loading and Library
• Digest of ggplot2
• Digest of Dive into Python 3
• Digest of Molecular Biology for Computer Scientists
• Digest of Advanced R (亟待更新)
• Digest of Seamless R and C++ Integration with Rcpp (待修改)
• Digest of R in Action
• Digest of Effective C++
• Digest of Agile Software Development: Principles, Patterns, and Practices
• Digest of Effective Java
• 《分布式 Java 应用：基础与实践》第四章总结其二：并发工具类
• 《分布式 Java 应用：基础与实践》第四章总结其一：集合类
• 《分布式 Java 应用：基础与实践》第三章总结其一：理解 JVM（未完待续）
• 《分布式 Java 应用：基础与实践》第二章总结：SOA 扫盲
• 《分布式 Java 应用：基础与实践》第一章总结：分布式 Java 应用的系统间通信的种类
• Digest of Test Driven Development

Boosting

• Ensemble Methods in Machine Learning
• ISL: Tree Based Methods

Bootstrap

• ISL: Tree Based Methods
• ISL: Resampling Methods

C++11

• C++11: inline namespace
• C++: noexcept
• C++: override
• C++: final
• C++: The Rule of Three/Five
• C++: move constructor & move assignment operator / lvalue & rvalue / reference qualifier
• C++11 Smart Pointer: auto_ptr is deprecated. Use unique_ptr instead. Here also come shared_ptr and weak_ptr.
• C++11: bind1st() and bind2nd() are deprecated. Use bind() instead.
• C++ Lambda Expression
• C++: 6 things you must know about functions
• C++: =default & =delete
• C++ range for: To get item by value or by reference?
• C++: initializer_list
• C++: typedef & alias declaration (using)
• C++ Type Specifiers: auto / decltype
• C++: constexpr
• C++: Null Pointer
• C++: Generic Containers
• C++: Inheritance / virtual
• C++: enum

CPU

• CPU bound vs IO bound

CSRF

• Unified EL implicit objects are vulnerable to XSS attack

Chomsky

• What does context-free mean in CFLs?

Closure

• Variable / Bound Variable / Free Variable / Scope / Closure
• Java: 局部内部类、匿名内部类对外部变量的访问权限 + 闭包

Cluster

• ISL: Unsupervised Learning

Delegate

• Spring AOP 学习（一）：组合对比继承的优势
• Java: a simple delegation example

EM

• Expectation Maximization Algorithm Intuition
• Expectation-Maximization Algorithm

Entropy

• PWM (PSSM) / Sequence Logo

Experience

• Scripting Experience
• Locate Bugs by Replaying
• 直接访问测试机 ip 地址是无法获取 cookie 的
• a weird problem caused by encoding
• 有关设计的一些事后诸葛亮
• 关于表字段数量与对象字段数量的思考
• 设计 Service 的一些经验
• 设计 PO 的一些经验
• 设计 Controller 的一些经验
• Deploy carefully!
• 2 most important questions when an old project is assigned to you

GAM

• ISL: Moving Beyond Linearity

Graph

• Laplacian Matrix
• Basic Graph Algorithms

HMM

• Hidden Markov Models

IE

• IE 下的奇葩注意事项
• never fake a <input type=file>

IO

• CPU bound vs IO bound

JSON

• Is JSON a string?
• JSON conversion

JVM

• 《分布式 Java 应用：基础与实践》第三章总结其一：理解 JVM（未完待续）
• Java Class Loading: further discussion involving steps of instance creation
• Java Class Loading: an example

Java-AOP

• Spring AOP 学习（四）：简单 XML 配置
• Spring AOP 学习（三）：例子与基本概念
• Spring AOP 学习（二）：动态代理
• Spring AOP 学习（一）：组合对比继承的优势
• Java: the proxy parameter of the invoke() method

Java-Collection

• Digest of Effective Java

Java-Concurrency

• Digest of Effective Java
• 《分布式 Java 应用：基础与实践》第四章总结其二：并发工具类
• Java 多线程：synchronized
• Java 多线程：Runnable 接口 v.s. Thread 类
• Java 多线程：终止线程的方法
• Java: 多线程示意和 thread.join() 用法示意

Java-DesignPattern

• Middleman Patterns: Adapter / Proxy / Decorator
• Visitor Pattern Revisited
• Digest of Agile Software Development: Principles, Patterns, and Practices
• Digest of Effective Java
• Service Locator Pattern
• UML 类图之关联、聚合、组合、依赖
• Java: 依赖、依赖注入（DI）以及控制反转（IoC）

Java-DistributedSystem

• 《分布式 Java 应用：基础与实践》第二章总结：SOA 扫盲
• 《分布式 Java 应用：基础与实践》第一章总结：分布式 Java 应用的系统间通信的种类

Java-Exception

• Digest of Effective Java
• Java: 当接口方法有声明 throws Exception 时，实现方法可以选择不 throws
• Java: throw 的屏蔽作用
• Java: 涉及继承的异常声明及捕捉
• Java: finally 总是会被执行
• Java: first catch

Java-InnerClass

• Digest of Effective Java
• Java: 局部内部类、匿名内部类对外部变量的访问权限 + 闭包
• Java: 对内部类的继承
• Java: static inner class
• Java: 局部内部类 (local inner class)
• Java 内部类：对外部类的访问及 .this 和 .new
• Java: 匿名内部类 (anonymous inner class)：简化形式及自动向上转型

Java-TDD

• Digest of Working Effectively with Legacy Code
• Digest of Test Driven Development

JavaDoc

• How to use @link, @see and @code in JavaDoc

LDA

• Introduction to Linear Discriminant Analysis
• ISL: Classification

Markov

• PWM (PSSM) / Sequence Logo

Math-Algebra

• PCA: my interpretation
• Matrix Rank / Row Linear Dependence / λ = 0 / |A| = 0 / Size of Nullspace (Kernel)
• Divergence / Gradient / Laplace Operator
• Gradient Field
• Scalar Field / Vector Field
• Is vector space a field? And what are: Groups / Rings / Fields / Vector Spaces?
• Gradient and Directional Derivative
• Digest of Essence of Linear Algebra
• Derivative and Partial Derivative
• Slope, Intercept and Distance

Math-Geometry

• Simplex

Math-Statistics

• Alias Sampling
• Applied Nonparametric and Modern Statistics
• Smoothing
• Statistical Data Types
• Parametric vs. non-parametric tests
• Parametric vs. non-parametric models
• t-tests introduction
• McNemar Test
• Shapiro-Wilk Test for Normality
• Fisher's Exact Test for Independence
• Chi-Square Test for Independence
• Statistic, Statistical Hypothesis Test(ing), Test Statistic, t-test and p-value
• Expectation Operator Rules, Covariance and Standard Error of the Mean
• Asymptotics: The Law of Large Numbers and The Central Limit Theorem
• Bernoulli vs Multinoulli (Categorical) vs Binomial vs Multinomial / Gaussian / Poisson Distributions
• Conditional Probability
• Probability
• Covariance and Correlation
• Moment, Expectation, Variance, Skewness and Kurtosis
• What are Confounding Factors and How do they Affect Studies?
• What are the differences among different study designs, and what are the relative advantages of each?

MathJax

• MathJax 血泪史
• Equation Numbering and Referencing in MathJax
• 调教 GitHub Pages 与 jekyll bootstrap 时遇到的一些问题

MySQL-client

• Python: MySQLdb

NLP

• A Little on Topic Model

PCA

• PCA: my interpretation
• ISL: Unsupervised Learning
• R PCA Example
• Machine Learning: Dimensionality Reduction

PRC

• PR Curve
• ROC Curve: my interpretation

Paper

• The MEME algorithm
• EM method for identifying motifs in unaligned biopolymer sequences
• Expectation-Maximization Algorithm
• WD kernel with shifts
• Support Vector Machines and Kernels

Pivot

• Python: Quick Sort Revisited / Relation To BST / Lomuto Partition Scheme / Hoare Partition Scheme

Proxy

• Spring AOP 学习（二）：动态代理
• Spring AOP 学习（一）：组合对比继承的优势
• Java: the proxy parameter of the invoke() method
• Java: proxy 式组合关系

ROC

• PR Curve
• ROC Curve: my interpretation

Rcpp

• Rcpp: inline 生成的临时文件举例以及 exception 相关的宏
• Rcpp Hierarchy
• Digest of Advanced R (亟待更新)
• Digest of Seamless R and C++ Integration with Rcpp (待修改)

SNAP

• Quick facts on SNAP / Node2vec cannot handle multi-graphs

SOA

• 《分布式 Java 应用：基础与实践》第二章总结：SOA 扫盲

SVM

• Structured Output Support Vector Machines
• Soft Margin Intuition
• WD kernel with shifts
• Support Vector Machines and Kernels
• Lagrange duality
• ISL: Support Vector Machines

Servlet

• 自定义 ServletContextListener 的写法举例
• JSP: url-patttern

Spline

• ISL: Moving Beyond Linearity

Topology

• Topology Induced by Metric / Equivalence of Metrics
• Topology / Topological Space / Redefine Neighborhood, Limit Point, Interior Point and Exterior Point
• Neighborhood / Open Set / Continuity / Limit Points / Closure / Interior / Exterior / Boundary

UML

• visibility symbol in UML

URL

• URL Parameters / URL Query / Tornado get_argument()

XSS

• Unified EL implicit objects are vulnerable to XSS attack

ajax

• JavaScript: ajax 注意事项

apply

• Pandas: Accessing the index of a row in an apply function

const

• C++ Type Specifiers: auto / decltype
• C++: constexpr
• C++: Rules of static member initialization
• C++: const object / const member & const member function / mutable
• C++: Const Reference
• C++: Temporary Objects, are you Rvalues?
• C++: More on const
• C++: Const Pointer
• C++: Aggregate initialization
• C++ explicit cast operator: static_cast / const_cast / reinterpret_cast / dynamic_cast
• C++: auto / register / static / const / volatile / linkage / scope

context-free

• What does context-free mean in CFLs?

convex

• Convex Functions / Jensen's Inequality / Jensen's Inequality on Expectations / Gibbs' Inequality / Entropy

copy-constructor

• C++: The Rule of Three/Five
• C++: move constructor & move assignment operator / lvalue & rvalue / reference qualifier
• C++: =default & =delete
• C++: Automatic type conversion / explicit
• C++ overloading `operator=`: shallow copy vs. deep copy / reference counting / copy on write
• C++: Simple object assignment means copying. This is different from Java!
• C++: Complex copy-construction & How to prevent copy-construction (thus preventing pass-by-value)
• C++: Copy-constructor & the return value on the stack

cross-validation

• scikit-learn: init your estimator lightly and fit heavily
• scikit-learn: A walk through of GroupKFold.split()

dense-matrix

• scipy: pdist indexing

entropy

• Cross Entropy vs Cross Entropy Loss
• Terminology Recap: Sampling / Sample / Sample Space / Experiment / Statistical Model / Statistic / Estimator / Empirical Distribution / Resampling / CV / Jackknife / Bootstrap / Bagging / Likelihood / Estimation and Machine Learning
• Convex Functions / Jensen's Inequality / Jensen's Inequality on Expectations / Gibbs' Inequality / Entropy

escape

• Python: play with backslashes
• Escape Character / Control Character / Python Raw Strings / Python Bytes Literals
• JSP: use ${fn:escapeXml()} to escape double quotes

generative

• Generative Models

ggplot

• ggplot2: use geom_line() carefully when your x-axis data are descending
• Digest of ggplot2

node2vec

• Quick facts on SNAP / Node2vec cannot handle multi-graphs

np.unique

• scikit-learn: A walk through of GroupKFold.split()

numpy

• Python: sequences of booleans

pandas

• Python: sequences of booleans

pdist

• scipy: pdist indexing

pip

• Python: How to pip-install packages in virtualenv

pointer

• C++11 Smart Pointer: auto_ptr is deprecated. Use unique_ptr instead. Here also come shared_ptr and weak_ptr.
• C++: Null Pointer
• C++: More on const
• C++: Const Pointer
• C: Pointer Arithmetic
• C: function pointers

port

• windows 下查看端口是否被占用的方法

regexp

• MySQL REGEXP

socket

• Python: Socket Programming 101
• A socket is like an endpoint... or a line segment

sudo

• Python: How to pip-install packages in virtualenv

template

• C++: Template Trait
• C++: typename & template
• C++: template specialization
• C++: Introduction to Templates

utf8

• MySQL 5.5 版本下 my.ini 内 [mysqld] 项中不能再写 default-character-set=utf8

virtualenv

• Python: How to pip-install packages in virtualenv

动态代理

• Spring AOP 学习（二）：动态代理
• Spring AOP 学习（一）：组合对比继承的优势
• Java: the proxy parameter of the invoke() method